WNC1020 Features: * High quality generator * RPM: 1181 RPM Specifications: * Running (rated) kilowatts: 20 kilowatts * Starting (surge) kilowatts: 25 kilowatts * AC output voltage: 120 / 240 volts 1-phase Dimensions: * Dimensions: 26.4"" H X 19.4"" W X 12.3"" D Warranty: * Guarantees a 1 year warranty